<template>
    <div>
        <!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>商品管理</el-breadcrumb-item>
			<el-breadcrumb-item>商品列表</el-breadcrumb-item>
		</el-breadcrumb>
        <!-- 卡片视图区 -->
        <el-card>
            <!-- 搜索与添加区域 -->
			<el-row :gutter="20">
				<el-col :span="7">
					<el-input placeholder="请输入内容" class="input-with-select" v-model="queryInfo.query" clearable @clear="getGoodsList">
						<template #append>
							<el-button icon="el-icon-search" @click="getGoodsList"></el-button>
						</template>
					</el-input>
				</el-col>
				<el-col :span="4"><el-button type="primary" @click="goAddGoodsPage">添加商品</el-button></el-col>
			</el-row>
            <!-- 商品列表区域 -->
			<el-table :data="goodslist" style="width: 100%" border stripe>
				<el-table-column type="index" label="序号"></el-table-column>
				<el-table-column prop="goods_name" label="商品名称" width=""></el-table-column>
				<el-table-column prop="goods_price" label="商品价格（元）" width="95px"></el-table-column>
				<el-table-column prop="goods_number" label="商品数量" width="70px"></el-table-column>
				<el-table-column prop="add_time" label="创建时间" width="150px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
				<el-table-column label="操作" width="120px">
					<template slot-scope="scope">
						<!-- 修改按钮 -->
						<el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
						<!-- 删除按钮 -->
						<el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoodsById(scope.row.goods_id)"></el-button>
					</template>
				</el-table-column>
			</el-table>
            <!-- 分页区域 -->
			<el-pagination
				@size-change="handleSizeChange"
				@current-change="handleCurrentChange"
				:current-page="queryInfo.pagenum"
				:page-sizes="[5, 10, 15, 20]"
				:page-size="queryInfo.pagesize"
				layout="total, sizes, prev, pager, next, jumper"
				:total="total"
                background
			></el-pagination>
        </el-card>

        
    </div>
</template>

<script>
export default {
    data(){
        return{
            // 商品列表的请求参数
            queryInfo:{
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            // 商品列表
            goodslist:[],
            // 商品数量
            total: 0,
            // 控制添加商品对话框的现隐
            addGoodsDialogVisible: false,
        }
    },
    created(){
        // 获取商品列表
        this.getGoodsList(); 
    },
    methods:{
        // 获取商品列表
        async getGoodsList(){
            const { data:res } = await this.$http.get('goods', {params: this.queryInfo});
            console.log(res);
            if(res.meta.status !== 200){
                return this.$message.error({
                    showClose: true,
                    message: '获取商品列表失败！'
                })
            }
            this.goodslist = res.data.goods;
            this.total = res.data.total;
            console.log(res.data);
        },
        // 监听pagesize改变事件
		handleSizeChange(newSize) {
			this.queryInfo.pagesize = newSize;
			this.getGoodsList();
		},
		// 监听页码值改变事件
		handleCurrentChange(newPage) {
			this.queryInfo.pagenum = newPage;
			this.getGoodsList();
		},
        // 删除商品操作
        async removeGoodsById(id){
            const confirmResult = await this.$confirm('此操作将永久删除该用户','提示',{
                confirmButtonText: '确定',
				cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            if(confirmResult != 'confirm'){
                return this.$message.info({
					showClose: true,
					message: '已取消删除！'
				});
            }
            const { data: res } = await this.$http.delete('goods/' + id);
			if (res.meta.status !== 200) {
				this.$message.error({
					showClose: true,
					message: '删除商品失败！'
				});
			}
			this.$message.success({
				showClose: true,
				message: '删除商品成功！'
			});
			this.getGoodsList();
        },
        // 跳转到添加商品页面
        goAddGoodsPage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>

</style>